Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 15,991 | $454 | $24.49 | $22.26 - $29.24 |
| Q2 2017 | 21,267 | $528 | $26.24 | $22.26 - $28.69 |
| Q1 2017 | 21,267 | $554 | $27.74 | $23.30 - $33.05 |
| Q4 2016 | 21,769 | $700 | $27.19 | $20.43 - $34.13 |
| Q3 2016 | 21,528 | $529 | $24.06 | $21.50 - $26.46 |
| Q2 2016 | 18,828 | $431 | $22.14 | $19.61 - $25.27 |
| Q1 2016 | 18,828 | $407 | $18.82 | $15.79 - $22.57 |
| Q4 2015 | 12,198 | $272 | $21.48 | $18.28 - $24.21 |
| Q3 2015 | 31,898 | $616 | $20.31 | $18.37 - $22.64 |
| Q2 2015 | 49,698 | $1,134 | $23.06 | $19.10 - $25.82 |
| Q1 2015 | 50,146 | $964 | $19.65 | $17.69 - $23.12 |
| Q4 2014 | 52,069 | $1,200 | $23.39 | $20.44 - $26.73 |
| Q3 2014 | 52,264 | $1,258 | $28.91 | $23.00 - $33.65 |
| Q2 2014 | 52,751 | $1,744 | $30.73 | $28.13 - $34.48 |
| Q1 2014 | 52,645 | $1,587 | $29.49 | $25.23 - $34.59 |
| Q4 2013 | 60,845 | $1,677 | $27.72 | $24.44 - $30.62 |
| Q3 2013 | 71,973 | $1,930 | $25.86 | $23.52 - $27.95 |
| Q2 2013 | 86,323 | $2,028 | $21.33 | $18.17 - $23.75 |